Advertisements
Advertisements
प्रश्न
A cork piece floats on water surface while an iron nail sinks in it. Explain the reason.
Advertisements
उत्तर
Cork floats on water as the density of cork is LESS than the density of water.
Iron nail sinks in water as the density of iron nail is MORE than the density of water.
APPEARS IN
संबंधित प्रश्न
An object of weight 200 N is floating in a liquid. What is the magnitude of buoyant force acting on it ?
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
A body experiences the same buoyant force when it floats or sinks in water.
What is the cause of buoyant force ?
What is meant by pressure? State its S.I. unit.
What physical quantity is measured in bar?
How does the liquid pressure on a diver change if:
the diver moves to the greater depth
A balloon filled with helium gas floats in a big closed jar which is connected to an evacuating pump. What will be your observation, if air from the jar is pumped out? Explain your answer.
A body is held inside water contained in a vessel by tying it with a thread to the base of the vessel. Name the three forces that keep the body in equilibrium, and state the direction in which each force acts.
Select the correct option.
Unit of thrust in the SI system is
